Finding the Fourth Proportional to 832,470.12, 1,248,714.62 and 292,742.46
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Solution
The fourth proportional to 832,470.12, 1,248,714.62 and 292,742.46 is: 439,117.01
Step by Step Solution
- Step 1: Write the proportion equation
832,470.12 : 1,248,714.62 = 292,742.46 : x - Step 2: Convert to fraction form
832,470.12/1,248,714.62 = 292,742.46/x - Step 3: Cross multiply
832,470.12x = 1,248,714.62 × 292,742.46 - Step 4: Simplify right side
832,470.12x = 365,551,788,233.05 - Step 5: Solve for x
x = 365,551,788,233.05/832,470.12 - Step 6: Final answer
x = 439,117.01
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.